Daikin ERLQ004CA Installer's Reference Manual page 88

15 Technical data
R1T (A2P) Ambient sensor user interface
R1T (A3P) * Ambient sensor On/OFF thermostat
R2T Outlet backup heater thermistor
R2T * External sensor (floor or ambient)
R3T Refrigerant liquid side thermistor
R4T Inlet water thermistor
R5T (*) Domestic hot water thermistor
R6T * External indoor or outdoor ambient
thermistor
R1H (A3P) * Humidity sensor
S1S # Preferential kWh rate power supply contact
S2S # Electrical meter pulse input 1
S3S # Electrical meter pulse input 2
S6S~S9S # Digital power limitation inputs
SS1 (A4P) * Selector switch
T1R (A7P) Rectifier bridge (only for EHBH/X04+08 and
EHVH/X04+08)
TR1 Power supply transformer
X*M Terminal strip
X*Y Connector
* = Optional
(*) = Standard for EHVH/X, optional for EHBH/X
# = Field supply
BLK Black
BRN Brown
GRY Grey
RED Red
Notes to go through before starting the unit
English
X1M
X2M
X5M
X6M, X7M
X4M
15
** /12.2
1
Backup heater configuration
(only for *9W)
User installed options
Bottom plate heater
Domestic hot water tank
Domestic hot water tank with
solar connection
Remote user interface
Ext. indoor thermistor
Ext outdoor thermistor
Digital I/O PCB
Demand PCB
Solar pump and control station
Installer reference guide
87
Translation
Main terminal
Field wiring terminal for AC
Field wiring terminal for DC
Backup heater terminal
Booster heater terminal
Earth wiring
Wire number 15
Field supply
Connection ** continues on page
12 column 2
Several wiring possibilities
Option
Not mounted in switch box
Wiring depending on model
PCB
Backup heater configuration
(only for *9W)
User installed options
Bottom plate heater
Domestic hot water tank
Domestic hot water tank with
solar connection
Remote user interface
Extended indoor thermistor
Extended outdoor thermistor
Digital I/O PCB
Demand PCB
Solar pump and control station
English
Main LWT
On/OFF thermostat (wired)
On/OFF thermostat (wireless)
Ext. thermistor
Heat pump convector
Add LWT
Translation
Main leaving water temperature
On/OFF thermostat (wired)
On/OFF thermostat (wireless)
Extended thermistor
Heat pump convector
Additional leaving water
temperature
EHBH04+08 + ERLQ004~008
Daikin Altherma - Low Temperature Split
4P313774-1 – 2012.05